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Finding the Fourth Proportional to 282,805.97, 424,143.34 and 83,072.72

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Solution

The fourth proportional to 282,805.97, 424,143.34 and 83,072.72 is: 124,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,805.97 : 424,143.34 = 83,072.72 : x
  2. Step 2: Convert to fraction form
    282,805.97/424,143.34 = 83,072.72/x
  3. Step 3: Cross multiply
    282,805.97x = 424,143.34 × 83,072.72
  4. Step 4: Simplify right side
    282,805.97x = 35,234,741,776.36
  5. Step 5: Solve for x
    x = 35,234,741,776.36/282,805.97
  6. Step 6: Final answer
    x = 124,589.81

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